SMC Networks SMC8612XL3 Instrukcja Użytkownika Strona 319

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IP R
OUTING
3-265
Web - Click IP, Statistics, IP.
CLI - See the example on page 3-261.
ICMP Statistics
Internet Control Message Protocol (ICMP) is a network layer protocol that
transmits message packets to report errors in processing IP packets. ICMP
is therefore an integral part of the Internet Protocol. ICMP messages may
be used to report various situations, such as when a datagram cannot reach
its destination, when the gateway does not have the buffering capacity to
forward a datagram, and when the gateway can direct the host to send
traffic on a shorter route. ICMP is also used by routers to feed back
information about more suitable routes (i.e., the next hop router) to use
for a specific destination.
Statistical Values
Parameter Description
Messages The total number of ICMP messages which the entity
received/sent.
Errors The number of ICMP messages which the entity received/
sent but determined as having ICMP-specific errors (bad
ICMP checksums, bad length, etc.).
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